discourse_ynh/scripts/restore

#!/bin/bash

#=================================================
# IMPORT GENERIC HELPERS
#=================================================

if [ ! -e _common.sh ]; then
	# Fetch helpers file if not in current directory
	cp ../settings/scripts/_common.sh ./_common.sh
	chmod a+rx _common.sh
fi
source /usr/share/yunohost/helpers
source _common.sh

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get $app domain)
path_url=$(ynh_app_setting_get $app path)
is_public=$(ynh_app_setting_get $app is_public)
final_path=$(ynh_app_setting_get $app final_path)
db_name=$(ynh_app_setting_get $app db_name)
db_pwd=$(ynh_app_setting_get $app db_pwd)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================

ynh_webpath_available $domain $path_url \
	|| ynh_die "Path not available: ${domain}${path_url}"
test ! -d $final_path \
	|| ynh_die "There is already a directory: $final_path "

	# Check memory requirements
	check_memory_requirements

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE ALL FILES
#=================================================

# Restore all config and data
ynh_restore

#=================================================
# REINSTALL DEPENDENCIES
#=================================================

ynh_install_app_dependencies "$pkg_dependencies"

#=================================================
# INSTALL RUBY
#=================================================

ynh_install_ruby $RUBY_VERSION

#=================================================
# REINSTALL BUNDLE GEM
#=================================================

(cd "$final_path"
gem install bundler)

#=================================================
# RESTORE THE POSTGRESQL DATABASE
#=================================================

ynh_psql_test_if_first_run
ynh_psql_setup_db "$db_name" "$db_name" "$db_pwd"
# Set extensions
ynh_psql_execute_as_root "\connect $db_name
CREATE EXTENSION IF NOT EXISTS hstore; CREATE EXTENSION IF NOT EXISTS pg_trgm;"
# Restore dump
ynh_psql_execute_file_as_root ./db.sql "$db_name"

#=================================================
# RESTORE SYSTEMD
#=================================================

systemctl daemon-reload
systemctl enable $app.service

#=================================================
# RECREATE OF THE DEDICATED USER
#=================================================

# Create a system user allowing login (if not existing)
ynh_system_user_create $app $final_path 1

#=================================================
# RESTORE USER RIGHTS
#=================================================

chown -R $app: $final_path

#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================

yunohost service add $app --log "$final_path/log/unicorn.stderr.log" "$final_path/log/unicorn.stdout.log" "$final_path/log/production.log"

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX AND DISCOURSE
#=================================================

if [ -n "$(uname -m | grep arm)" ] ; then
	unicorn_workers=2
else
	unicorn_workers=3
fi
# Wait for discourse to be fully started
ynh_check_starting "INFO -- : worker=$((unicorn_workers-1)) ready" "$final_path/log/unicorn.stderr.log" "240" "$app"


systemctl reload nginx